Question

Consider the following statements An ordinary light bulb has a rather short life because the
1.filament wire is not uniform.
2.bulb cannot be evacuated completely.
3.wires supporting the filament melt at high temperatures.
Which of the above statements are correct?

• A. 1 and 3
• B. 2 and 3
• C. 1 and 2
• D. 1, 2 and 3

Answer 1

The correct option is B 2 and 3

Option: (b)